Home / 5,078.16-7,607.52-4,089.96

Finding the Fourth Proportional to 5,078.16, 7,607.52 and 4,089.96

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Solution

The fourth proportional to 5,078.16, 7,607.52 and 4,089.96 is: 6,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.16 : 7,607.52 = 4,089.96 : x
  2. Step 2: Convert to fraction form
    5,078.16/7,607.52 = 4,089.96/x
  3. Step 3: Cross multiply
    5,078.16x = 7,607.52 × 4,089.96
  4. Step 4: Simplify right side
    5,078.16x = 31,114,452.50
  5. Step 5: Solve for x
    x = 31,114,452.50/5,078.16
  6. Step 6: Final answer
    x = 6,127.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.